function fenlei(){
    $.get("http://kg.zhaodashen.cn/v1/category/index.jsp",{},res=>{
				$(".cat_bd").css("overflow","hiden")
				let html=""
				$.each(res.data,(index,item)=>{
					if(index>12)return
					html+=`<div class="cat item1">`
						html+=`<h3><a href="${item.url || './list.html?keywords='+item.keywords}">${item.cat_name}</a> <b></b></h3>`
						html+=`<div class="cat_detail">`
						$.each(item.children,(index,item)=>{
							html+=`<dl class="dl_1st">`
								html+=`<dt><a href="${item.url || './list.html?keywords='+item.keywords}">${item.cat_name}</a></dt>`
								html+=`<dd>`
									$.each(item.children,(index,item)=>{
										html+=`<a href="${item.url || './list.html?cat='+item.cat_id}">${item.cat_name}</a>`	
									})
											
								html+=`</dd>`
							html+=`</dl>`
						})
							
						html+=`</div>`
					html+=`</div>`
						
				})
				$(".cat_bd").html(html)
			},"json")
}